Thank you, Steve.
I just want to learn.
If I really need, I'll create a temp db and then copy tables into temp db to test.
Question regarding your code...

Yes, I mean upper case. For example, I want to change data "Good" to GOOD".
For test, I created a new database [TEST] and imported all tables which need to...

Thank you.

Someone told me that bcp will do it.
I'll learn it.

Thank you, laurie-789651. 
It works.

Thank you for help.
It works great!

Yes, I want to get result in SQL studio.
I already knew how to copy to Excel to change it.

Yes, one column stored pdf file name.
But, how to convert byte to pdf?

Because my windows project needs more steps and import Excel file is only one step of many steps.

I want to create a stored procedure to complete it.

I printed it and pinned it.
Thank you again.

Thanks, two scripts are all work great!

Great! 
Thank you, GilaMonster!
You save my life.

Our company just purchased Red-Gates SQL Prompt.
How to use code refactoring for this issue?
I checked menu but didn't find out.

One stored procedure will display more than 10 tables in which each table has more than 30 columns and some columns' name is the same.
I try to modify it...